Catalytic copolyesterification
United States Patent 3245959

Inventors:
Roeser, Gerald P.
Publication Date:
04/12/1966
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Assignee:
SOCONY MOBIL OIL CO INC
Primary Class:
Other Classes:
560/99, 528/305, 528/285, 528/280, 528/277, 528/308.700, 528/302, 528/275, 528/283, 528/276
International Classes:
C08G63/20; C08G63/85; C08G63/00
US Patent References:
3050548Improvements in the esterification of terephthalic acid with ethylene glycol
3053883Use of metal salts to promote esterification
3055867Metallic tin as a catalyst in the preparation of polyesters by reaction of a polyol and a polycarboxylic acid
3056818Titanium and zirconium esterification catalysts
3057824Tin salts as catalysts in forming polyesters
3066108Air-dry surface coating resin
Foreign References:
GB835743A